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TT: Fachverband Tiefe Temperaturen

TT 83: Superconductivity: (General) Theory

TT 83.12: Talk

Thursday, March 15, 2018, 12:30–12:45, HFT-FT 101

Chiral superconductivity in germanene on molybdenum disulfide — •Xianxin Wu, Domenico Di Sante, Mario Fink, Werner Hanke, and Ronny Thomale — Institut für Theoretische Physik und Astrophysik, Julius-Maximilians-Universität Würzburg, Würzburg, Germany

We investigate competing orders for germanene on molybdenum disulfide (Ge/MoS₂), where the Van Hove singularity point is close to the Fermi level, and can already be achieved by moderate electron doping. We find that the system harbors a d+id or f wave superconducting state depending on the electron doping and interaction profile. Our study indicates that Ge/MoS₂ promises to be a prototypical system to realize chiral superconductivity.